<template>
  <div class="login-container">
    <el-form ref="loginForm" :model="loginForm" :rules="registerlog ? loginRules : registerRules" class="login-form"
      auto-complete="on" label-position="left">

      <div class="title-container">
        <h3 class="title">{{ registerlog ? '登录' : '注册' }}</h3>
      </div>

      <el-form-item prop="username">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input ref="username" v-model="loginForm.username" placeholder="账号" name="username" type="text" tabindex="1"
          auto-complete="on" />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input :key="passwordType" ref="password" v-model="loginForm.password" :type="passwordType" placeholder="密码"
          name="password" tabindex="2" auto-complete="on" @keyup.enter.native="handleLogin" />
        <span class="show-pwd" @click="showPwd">
          <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
        </span>
      </el-form-item>
      <el-form-item prop="role" v-show="!registerlog">
        <el-select v-model="loginForm.role" placeholder="请选择角色" style='width:100%'>
          <el-option label="学生" value="STUDENT"></el-option>
          <el-option label="教师" value="TEACHER"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item prop="name" v-show="!registerlog">
        <el-input v-model="loginForm.name" placeholder="姓名">
        </el-input>
      </el-form-item>
      <el-form-item prop="studentId" v-show="!registerlog">
        <el-input v-model="loginForm.studentId" placeholder="学号" v-if="loginForm.role == 'STUDENT'">
        </el-input>
        <el-input v-model="loginForm.studentId" placeholder="工号" v-if="loginForm.role == 'TEACHER'">
        </el-input>
      </el-form-item>
      <el-form-item prop='department' v-show="!registerlog">
        <el-input v-model="loginForm.department" placeholder="所属学院">
        </el-input>
      </el-form-item>
      <el-form-item prop="phone" v-show="!registerlog">
        <el-input v-model="loginForm.phone" placeholder="电话">
        </el-input>
      </el-form-item>

      <el-button :loading="loading" type="primary" style="width:100%;margin-bottom:30px;"
        @click.native.prevent="registerlog?handleLogin():handleregister()">{{ registerlog ? '登录' : '注册' }}</el-button>

      <div class="tips" @click="Register">
        {{registerlog ? '我还没有账号，去注册' : '===>>>去登录'}}
      </div>

    </el-form>
  </div>
</template>

<script>
// import { validUsername } from '@/utils/validate'
import {  register } from '@/api/user'
export default {
  name: 'Login',
  data() {
    // const validateUsername = (rule, value, callback) => {
    //   if (!validUsername(value)) {
    //     callback(new Error('Please enter the correct user name'))
    //   } else {
    //     callback()
    //   }
    // }
    // const validatePassword = (rule, value, callback) => {
    //   if (value.length < 6) {
    //     callback(new Error('The password can not be less than 6 digits'))
    //   } else {
    //     callback()
    //   }
    // }
    return {
      registerlog: true,
      loginForm: {
        username: 'student03',
        password: '123456',
        role: 'STUDENT',
        name: '',
        studentId: '',
        department: '',
        phone: '',
      },
      loginRules: {
        username: [{ required: true, message: '请输入用户名', trigger: 'blur' }],
        password: [{ required: true, message: '请输入密码', trigger: 'blur' }]
      },
      registerRules: {
        username: [{ required: true, message: '请输入用户名', trigger: 'blur' }],
        password: [{ required: true, message: '请输入密码', trigger: 'blur' }],
        role: [{ required: true, message: '请选择角色', trigger: 'blur' }],
        name: [{ required: true, message: '请输入姓名', trigger: 'blur' }],
        studentId: [{ required: true, message: this.role == 'STUDENT' ? '请输入学号' : '请输入工号', trigger: 'blur' }],
        department: [{ required: true, message: '请输入学院', trigger: 'blur' }],
        phone: [{ required: true, message: '请输入电话', trigger: 'blur' }]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function (route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  methods: {
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true
          this.$store.dispatch('user/login', { username: this.loginForm.username, password: this.loginForm.password }).then(() => {
            // 登录成功后立即获取用户信息
            return this.$store.dispatch('user/getInfo')
          }).then(() => {
            // 获取用户信息成功后跳转
            this.$router.push({ path: this.redirect || '/' })
            this.loading = false
            this.$message({
              message: '登录成功',
              type: 'success'
            })
          }).catch((err) => {
            this.loading = false
            console.log(err);
            this.$message({
              message: '登录失败',
              type: 'error'
            })
          })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    },
    Register() {
      this.registerlog = !this.registerlog
    },
    handleregister() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          let form = {}
          form.username = this.loginForm.username
          form.password = this.loginForm.password
          form.role = this.loginForm.role
          form.name = this.loginForm.name
          if(form.role == 'STUDENT'){
            form.studentId = this.loginForm.studentId
          }else if(form.role == 'TEACHER'){
            form.teacherId = this.loginForm.studentId
          }
          form.department = this.loginForm.department
          form.phone = this.loginForm.phone
          register(form).then(res => {
            if(res.code == 200){
              this.loginForm = {}
              this.$message({
                message: '注册成功',
                type: 'success'
              })
              this.registerlog = true
            }
            
          })
        }
      })
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;
    cursor: pointer;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
